About: http://webisa.webdatacommons.org/52244682

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	That is, the problem is a phenomenon in which the rear edge of the image formed on the sheet moves backward,that is, the image is lengthened on the sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com